.select-tree-container {
    position: relative;
    display: inline-block;
    outline: none;
    width: 100%;
}

.select-tree-container .select-panel {
    border: 1px solid #e5e6e7;
    line-height: 1.42857143;
    padding: 6px 24px 6px 12px;
    user-select: none;
    overflow: hidden;
    border-radius: 4px;
}

.select-tree-container.open .select-panel {
    border: 1px solid #4298f2;
    border-radius: 4px 4px 0 0;
}


.select-tree-container .select-tree-arrow {
    width: 4px;
    position: absolute;
    right: 12px;
    top: 17px;
}

.select-tree-container .select-tree-arrow:after {
    content: '';
    border-color: #999 transparent transparent;
    border-style: solid;
    border-width: 4px 4px 0;
    height: 0;
    left: 0;
    margin-left: -4px;
    margin-top: -2px;
    position: absolute;
    top: 50%;
    width: 0;
}

.select-tree-container.open .select-tree-arrow:after {
    border-color: transparent transparent #999;
    border-width: 0 4px 4px;
}

.select-tree-container .tree-panel {
    position: absolute;
    left: 0;
    top: 100%;
    right: 0;
    border: 1px solid #4298f2;
    border-top: none;
    z-index: 9999;
    background: #FFFFFF;
    display: none;
    padding: 5px 0;
}

.select-tree-container.open .tree-panel {
    display: block;
    border-radius: 0 0 4px 4px;
    max-height: 300px;
    overflow-y: auto;
}

.select-tree-container .tree-panel ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.select-tree-container .tree-panel ul li .tree-option {
    padding-left: 10px;
    padding-top: 5px;
    padding-bottom: 5px;
}

.select-tree-container .tree-panel ul li .tree-option.disabled:hover {
    background: #ffffff;
}

.select-tree-container .tree-panel ul li .tree-option.disabled {
    color: #9d9d9d;
    cursor: not-allowed;
}

.select-tree-container .tree-panel ul li .tree-option.selected {
    position: relative;
    background: #f5f9fe;
}

.select-tree-container .tree-panel ul li .tree-option:hover {
    background: #f3f3f3;
}

.select-tree-container .tree-panel ul li .tree-option.selected::after {
    content: '┛';
    position: absolute;
    right: 20px;
    top: 8px;
    color: #4298f2;
    transform: rotate(45deg);
}

.select-tree-container .tree-panel .tree-option .tree-option-arrow {
    padding: 0 10px;
    position: relative;
}

.select-tree-container .tree-panel .tree-option .tree-option-arrow:before {
    content: '';
}

.select-tree-container .tree-panel .tree-option .tree-option-value {
    user-select: none;
}

.select-tree-container .tree-panel .tree-option .tree-option-arrow b {
    content: '';
    border-color: transparent transparent transparent #999;
    border-style: solid;
    border-width: 5px;
    height: 0;
    left: 0;
    margin-left: 10px;
    margin-top: -5px;
    position: absolute;
    top: 50%;
    width: 0;
}

.select-tree-container .tree-panel .tree-option .tree-option-arrow.open b {
    border-color: #999 transparent transparent transparent;
    margin-left: 5px;
    margin-top: -2px;
}

.select-panel .select-value .select-item {
    background-color: #4298f2;
    font-size: 13px;
    padding: 2px 6px;
    margin-right: 2px;
    color: #ffffff;
    border-radius: 2px;
    white-space: nowrap;
    display: inline-block;
}

.select-panel .select-value .select-item i {
    margin-left: 2px;
    font-style: normal !important;
    color: #ddd;

}

.select-panel .select-value .select-item i:hover {
    color: #ffffff;
}